HK1039541A1 - Apparatus and methods for variable delay channel tracking - Google Patents
Apparatus and methods for variable delay channel trackingInfo
- Publication number
- HK1039541A1 HK1039541A1 HK02101017A HK02101017A HK1039541A1 HK 1039541 A1 HK1039541 A1 HK 1039541A1 HK 02101017 A HK02101017 A HK 02101017A HK 02101017 A HK02101017 A HK 02101017A HK 1039541 A1 HK1039541 A1 HK 1039541A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- methods
- variable delay
- channel tracking
- delay channel
- tracking
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
- H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
- H04L25/0236—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols using estimation of the other symbols
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/085,435 US6370189B1 (en) | 1998-05-27 | 1998-05-27 | Apparatus and methods for variable delay channel tracking |
PCT/US1999/008739 WO1999062236A1 (en) | 1998-05-27 | 1999-04-20 | Apparatus and methods for variable delay channel tracking |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1039541A1 true HK1039541A1 (en) | 2002-04-26 |
Family
ID=22191576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK02101017A HK1039541A1 (en) | 1998-05-27 | 2002-02-08 | Apparatus and methods for variable delay channel tracking |
Country Status (9)
Country | Link |
---|---|
US (1) | US6370189B1 (xx) |
EP (1) | EP1080566B1 (xx) |
CN (1) | CN1120601C (xx) |
AU (1) | AU3658999A (xx) |
BR (1) | BR9910707A (xx) |
DE (1) | DE69926746T2 (xx) |
EE (1) | EE200000704A (xx) |
HK (1) | HK1039541A1 (xx) |
WO (1) | WO1999062236A1 (xx) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6477200B1 (en) * | 1998-11-09 | 2002-11-05 | Broadcom Corporation | Multi-pair gigabit ethernet transceiver |
US6700938B1 (en) * | 1999-09-29 | 2004-03-02 | Motorola, Inc. | Method for determining quality of trellis decoded block data |
SE516962C2 (sv) * | 1999-11-25 | 2002-03-26 | Ericsson Telefon Ab L M | Digital kommunikationsmottagare med inbyggd styrenhet för in- och urkoppling av kanalföljare beroende av kommunikationskanalens kvalitet |
US6804310B1 (en) * | 2000-11-03 | 2004-10-12 | Koninklijke Philips Electronics N.V. | Decision feedback loop apparatus and method for channel estimation and de-rotation using burst pilot bits |
KR100393192B1 (ko) * | 2001-07-11 | 2003-07-31 | 삼성전자주식회사 | 시변 채널에 적합한 신호 수신 장치 및 방법 |
CN1960556B (zh) * | 2005-09-20 | 2012-01-11 | 开曼群岛威睿电通股份有限公司 | 迭代信道预测 |
US8948817B2 (en) * | 2006-10-05 | 2015-02-03 | Nvidia Corporation | Cellular communication system, communication unit and method for broadcast communication |
US8046621B2 (en) * | 2007-09-24 | 2011-10-25 | Broadcom Corporation | Method and system for generation of signals up to extremely high frequencies using a delay block |
US8160506B2 (en) * | 2007-09-24 | 2012-04-17 | Broadcom Corporation | Method and system for transmission and/or reception of signals up to extremely high frequencies utilizing a delay circuit |
US8059706B2 (en) * | 2007-09-24 | 2011-11-15 | Broadcom Corporation | Method and system for transmission and/or reception of signals utilizing a delay circuit and DDFS |
TW201039574A (en) * | 2009-04-22 | 2010-11-01 | Ralink Technology Corp | Method of detecting transmission channel and a wireless communication system using the same |
US9329929B2 (en) * | 2013-03-20 | 2016-05-03 | Zte (Usa) Inc. | Soft maximum likelihood sequence estimation in digital communication |
US10038497B2 (en) | 2013-12-18 | 2018-07-31 | Northrup Grumman Systems Corporation | Optical transceiver with variable data rate and sensitivity control |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8609711D0 (en) | 1986-04-21 | 1986-05-29 | Clark A P | Channel estimation & detection |
US5263033A (en) * | 1990-06-22 | 1993-11-16 | At&T Bell Laboratories | Joint data and channel estimation using fast blind trellis search |
DE4102151A1 (de) | 1991-01-25 | 1992-07-30 | Philips Patentverwaltung | Empfaenger fuer ein digitales uebertragungssystem |
US5446763A (en) | 1991-07-02 | 1995-08-29 | Motorola, Inc. | Apparatus and method for converting soft symbols into soft bits |
US5862192A (en) * | 1991-12-31 | 1999-01-19 | Lucent Technologies Inc. | Methods and apparatus for equalization and decoding of digital communications channels using antenna diversity |
US5323421A (en) * | 1992-09-30 | 1994-06-21 | Motorola, Inc. | Method and apparatus of estimating channel quality in a receiver |
US5506861A (en) * | 1993-11-22 | 1996-04-09 | Ericsson Ge Mobile Comminications Inc. | System and method for joint demodulation of CDMA signals |
US5544156A (en) | 1994-04-29 | 1996-08-06 | Telefonaktiebolaget Lm Ericsson | Direct sequence CDMA coherent uplink detector |
GB2292052B (en) * | 1994-07-22 | 1997-12-10 | Motorola Ltd | Communications system |
JPH09294095A (ja) * | 1996-04-26 | 1997-11-11 | Oki Electric Ind Co Ltd | 適応等化器 |
US6084929A (en) * | 1996-12-12 | 2000-07-04 | Ericsson Inc. | Method and apparatus for channel tracking |
DE19724027C2 (de) | 1997-06-06 | 1999-09-30 | Siemens Ag | Verfahren und Anordnung zum Empfang von Daten |
SG77607A1 (en) * | 1997-08-26 | 2001-01-16 | Univ Singapore | A multi-user code division multiple access receiver |
-
1998
- 1998-05-27 US US09/085,435 patent/US6370189B1/en not_active Expired - Lifetime
-
1999
- 1999-04-20 AU AU36589/99A patent/AU3658999A/en not_active Abandoned
- 1999-04-20 DE DE69926746T patent/DE69926746T2/de not_active Expired - Lifetime
- 1999-04-20 EE EEP200000704A patent/EE200000704A/xx unknown
- 1999-04-20 WO PCT/US1999/008739 patent/WO1999062236A1/en active IP Right Grant
- 1999-04-20 CN CN99806704A patent/CN1120601C/zh not_active Expired - Lifetime
- 1999-04-20 EP EP99918746A patent/EP1080566B1/en not_active Expired - Lifetime
- 1999-04-20 BR BR9910707-4A patent/BR9910707A/pt not_active Application Discontinuation
-
2002
- 2002-02-08 HK HK02101017A patent/HK1039541A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE69926746D1 (de) | 2005-09-22 |
EP1080566B1 (en) | 2005-08-17 |
DE69926746T2 (de) | 2006-05-18 |
WO1999062236A1 (en) | 1999-12-02 |
CN1120601C (zh) | 2003-09-03 |
BR9910707A (pt) | 2001-01-30 |
US6370189B1 (en) | 2002-04-09 |
CN1310902A (zh) | 2001-08-29 |
AU3658999A (en) | 1999-12-13 |
EE200000704A (et) | 2002-04-15 |
EP1080566A1 (en) | 2001-03-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PF | Patent in force | ||
PE | Patent expired |
Effective date: 20190419 |